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Marshmallow root

Also called: Althaea officinalis

The root of a flowering plant rich in mucilage, a gel-like fiber that coats and soothes the throat and digestive tract. It's not related to the candy you buy today.

Supplements can interact with medications and aren't right for everyone, especially during pregnancy or breastfeeding, or with a chronic condition. Ask your provider before you start.

Studied for

  • Dry cough and sore throat
  • Heartburn and an irritated stomach
  • Soothing the gut lining (in blends)

Found naturally in

  • Not a common food. The root is used as a tea.
What variations of marshmallow root exist?Our top pick, what to skip, and how to read the label

Label red flags

  • Doesn't say whether it's root or leaf (the root has more mucilage)

Check with a provider

  • Taking any medicines or supplements. The coating can slow how well they're absorbed, so take them at a different time of day.
  • Taking diabetes medicine (it may lower blood sugar, based mostly on animal studies)
  • Pregnancy or breastfeeding: not enough safety information

Supplements that contain it

5 products in Dr. Lesher's dispensary list marshmallow root on the label.

Dr. Lesher, ND

Ready to find the root cause?

Dr. Lesher is a Naturopathic Doctor who focuses on autoimmune and chronic conditions in women. Since 2020, she's helped hundreds of patients stop managing symptoms and start healing.

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